Yamaha Portatone PSR-VN300 Service Manual page 12

PSR-VN300
11. How to Remove Spring Terminals
A Spring Terminal A, Spring Terminal B
11-1 Remove the lower case keyboard assembly. (See procedure 7)
11-2 Remove the keyboards from C1 to B2. (See procedure 8)
11-3 Remove the battery connector assembly soldered to the spring terminal A and spring terminal B. (Photo. 3)
11-4 Reverse the lower case keyboard assembly and remove the battery lid assembly. (Fig. 7)
11-5 Lift the spring terminal A slightly and slide it in the upper right direction to remove it. (Fig. 8)
11-6 Remove the hook for the spring terminal B to pull it out from inside. (Fig. 8)
B Spring Terminal C, Spring Terminal D
11-1 Remove the battery lid assembly at the bottom side of the lower case keyboard assembly.
11-2 Remove the hooks to pull out the spring terminal C and spring terminal D. (Fig. 8, Fig. 9)
• Bottom view
Spring Terminal A Spring Terminal D
Hook
12
Spring Terminal B
Lower Case Keyboard Assembly
Spring Terminal B
Hook
Fig. 8
Soldering Spring Terminal A
Battery Connector Assembly
Photo. 3
Battery Lid Assembly
Fig. 7
Spring Terminal C
Spring Terminal C
Hook
Hook
Fig. 9